A
C
-
B
C
= 1
13 - 12 = 1 13² - 12² = 5²
5, 12, 13 is a Pythagorean triplet
(Tan C + Cosec A) =
+
12
5
13
5
=
25 / 5 = 5
A
B
C
5 cm
12 cm
13 cm
Tan C =
Perpendicular
Base
Cosec A =
Hypotenuse
Perpendicular